Glass microballoon filled PTFE sealing materials was developed by die pressing and sintering.Test results showed the new kind of filled PTFE has good sealing performance.

• 摘要采用冷压成型和自由烧结工艺研制开发出了一种具有优良密封性能的新型玻璃微珠填充改性聚四氟乙烯(PTFE)密封材料。